go-mailzu/lib/IMAPAuth.class.php

<?php
/**
* IMAPAuth class
* @version 08-11-2005
* @Author Samuel Tran
* @package IMAPAuth
*
* Copyright (C) 2005 - 2007 MailZu
* License: GPL, see LICENSE
*/
/**
* Base directory of application
*/
@define('BASE_DIR', dirname(__FILE__) . '/..');
/**
* CmnFns class
*/
include_once('lib/CmnFns.class.php');

/**
* Provide all database access/manipulation functionality for IMAP Auth
*/
class IMAPAuth {
	// The IMAP hosts with port (hostname[:port])
        var $imapHosts;
	// IMAP authentication type
	var $imapType;

	// Username
	var $imapUsername;

	var $err_msg = '';

	/**
	* Constructor to initialize object
	* @param none
	*/
	function IMAPAuth() {
		global $conf;

		$this->imapHosts = $conf['auth']['imap_hosts'];
		$this->imapType = $conf['auth']['imap_type'];
		$this->imapDomainName = $conf['auth']['imap_domain_name'];
	}

	// User methods -------------------------------------------

	/**
	* Authenticates user
	* @param string $username
	* @param string $password
	* @return boolean
	*/

	function authUser ($username, $password) {
	// Returns true if the username and password work
	// and false if they are wrong or don't exist.

	   $this->imapUsername = $username;

    	   foreach ($this->imapHosts as $host) {                 // Try each host in turn
              $host = trim($host);

	      switch ($this->imapType) {
       	         case "imapssl":
                    $host = '{'.$host."/imap/ssl}INBOX";
                    break;

                 case "imapcert":
                    $host = '{'.$host."/imap/ssl/novalidate-cert}INBOX";
                    break;

                 case "imaptls":
                    $host = '{'.$host."/imap/notls}INBOX";
                    break;

                 default:
                    $host = '{'.$host.'}INBOX';
              }

              //error_reporting(0);
              $connection = imap_open($host, $username, $password, OP_HALFOPEN);

              if ($connection) {
                 imap_close($connection);
                 return true;
              }
	   }

	   $this->err_msg = translate('IMAP Authentication: no match');
       	   return false;  // No match
	}

	/**
	* Returns the last error message
	* @param none
	* @return last error message generated
	*/
	function get_err() {
		return $this->err_msg;
	}

	// Helper methods -------------------------------------------

    	/**
        * Returns user information
        * @return array containing user information
        */
	function getUserData() {
        	$rval = array(
            			'logonName' => $this->imapUsername,
            			'firstName' => $this->imapUsername,
            			'emailAddress' => array($this->imapUsername.(empty($this->imapDomainName) ? '' : '@'. $this->imapDomainName))
        	);
        	return $rval;
    	}
}
?>